Hydrazine hydrate (1:1) → 4-(6-{1-[(Cyclopentylcarbonyl)amino]propyl}-5-oxo-4,5-dihydro-1,2,4-triazin-3-yl)-benzamide
反応式
Cl.[NH2:2][C:3](=[NH:13])[C:4]1[CH:12]=[CH:11][C:7]([C:8]([NH2:10])=[O:9])=[CH:6][CH:5]=1.O.[NH2:15]N.[CH:17]1([C:22]([NH:24][CH:25]([CH2:33][CH3:34])[C:26](=O)[C:27](OCC)=[O:28])=[O:23])[CH2:21][CH2:20][CH2:19][CH2:18]1>C(O)C>[CH:17]1([C:22]([NH:24][CH:25]([C:26]2[C:27](=[O:28])[NH:13][C:3]([C:4]3[CH:5]=[CH:6][C:7]([C:8]([NH2:10])=[O:9])=[CH:11][CH:12]=3)=[N:2][N:15]=2)[CH2:33][CH3:34])=[O:23])[CH2:21][CH2:20][CH2:19][CH2:18]1参加物
5
反応条件
- 温度
- 60 °C
実験手順
2.84 g (14.2 mmol, 1 equiv.) 4-[amino(imino)methyl]benzamide hydrochloride are suspended in 10 ml of ethanol and 1.37 g (26.8 mmol, 1.2 equiv.) hydrazine hydrate are added. After stirring at 60° C. for 1 hour, 6.28 g (24.6 mmol, 1.1 equiv.) ethyl 3-[(cyclopentylcarbonyl)-amino]-2-oxopentanoate (Example 4A), dissolved in 40 ml of ethanol, are added. The reaction mixture is stirred at 70° C. (bath temperature) for 4 hours. The mixture is evaporated to dryness in vacuo and the product is purified by flash chromatography.
後処理
- additionare added
- stirringThe reaction mixture is stirred at 70° C. (bath temperature) for 4 hours
- customThe mixture is evaporated to dryness in vacuo
- customthe product is purified by flash chromatography
出典と根拠
- ORDレコード
- ord-d63c930ad8b54bf6bec77254a03a4189
- 出典データセット
- uspto-grants-2006_07
- 特許番号
- US07074790B2
反応ノート
読み込み中…